//Copyright (c) 2012, peter.ducai@gmail.com
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following 
//conditions are met:
//
//Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
//Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
//in the documentation and/or other materials provided with the distribution.
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
//INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
//OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
//OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
//OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
//OF SUCH DAMAGE.

package com.daemonna.fluentlee_core.server;

import com.daemonna.fluentlee_core.pools.server_settings_pool;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.InetSocketAddress;

/*
 * @author peter 'daemonna' ducai 
 * @author peter.ducai@gmail.com 
 * @author http://code.google.com/p/fluentlee/
 */
public class http_server {
    
    InetSocketAddress addr;
    HttpServer server;

    public http_server() throws IOException {

        addr = new InetSocketAddress(server_settings_pool.getInstance().docserv_listen_address, server_settings_pool.getInstance().docserv_listen_port);
        server = HttpServer.create(addr, 0);

        server.createContext("/", new serveHTML());
        
        server.createContext("/reports/", new serveReport());
        //server.setExecutor(Executors.newCachedThreadPool());
        server.start();
        System.out.println("Server is listening on: "+server_settings_pool.getInstance().docserv_listen_address+":"+server_settings_pool.getInstance().docserv_listen_port);
        
        while(server_settings_pool.getInstance().restart_server_pending){
            stop_server();
        }
    }
    
    
    class serveHTML implements HttpHandler {

        @Override
        public void handle(HttpExchange exchange) throws IOException {
            
            try {
                
                File file = new File("www/main.html");
                byte response[];
            
                FileInputStream fin = new FileInputStream(file);
                response = new byte[(int) file.length()];
                fin.read(response);
               
                exchange.sendResponseHeaders(HttpURLConnection.HTTP_OK,response.length);
                exchange.getResponseBody().write(response);
                exchange.close();
            
            } catch (FileNotFoundException e) {
                System.out.println("File not found" + e);
            } catch (IOException ioe) {
                System.out.println("Exception while reading the file " + ioe);
            }
        }
    }
  

    class serveReport implements HttpHandler {

        @Override
        public void handle(HttpExchange exchange) throws IOException {
        
            try {
                
                //list files
               
                String uri = exchange.getRequestURI().toString();
                
                //strip first '/' from path
                String urimod = uri.substring(1, uri.length());
                File file = new File(urimod);
 
                byte response[];
            
                FileInputStream fin = new FileInputStream(file);
                response = new byte[(int) file.length()];
                fin.read(response);

                exchange.sendResponseHeaders(HttpURLConnection.HTTP_OK,response.length);
                exchange.getResponseBody().write(response);
                exchange.close();
            
            } catch (FileNotFoundException e) {
                System.out.println("File not found" + e);
            } catch (IOException ioe) {
                System.out.println("Exception while reading the file " + ioe);
            }
        }
    }
    
    private void stop_server(){
        System.out.println("stoping http server");
        server.stop(0);
    }
}
